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Support Events in trace layer

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This commit is contained in:
Louis Dureuil
2024-01-23 16:25:05 +01:00
parent cc79cd0b04
commit b141c82a04
4 changed files with 275 additions and 12 deletions
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44
tracing-trace/src/processor/fmt.rs
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@ -2,7 +2,7 @@ use std::collections::HashMap;
use std::io::Read;
use crate::entry::{
Entry, MemoryStats, NewCallsite, NewSpan, NewThread, ResourceId, SpanClose, SpanEnter,
Entry, Event, MemoryStats, NewCallsite, NewSpan, NewThread, ResourceId, SpanClose, SpanEnter,
SpanExit, SpanId,
};
use crate::{Error, TraceReader};
@ -89,6 +89,42 @@ pub fn print_trace<R: Read>(trace: TraceReader<R>) -> Result<(), Error> {
Entry::SpanClose(SpanClose { id, time: _ }) => {
spans.remove(&id);
}
Entry::Event(Event { call_id, thread_id, parent_id, time: _, memory }) => {
let parent_span = parent_id.and_then(|parent_id| spans.get(&parent_id)).and_then(
|(span, status)| match status {
SpanStatus::Outside => None,
SpanStatus::Inside(_) => Some(span),
},
);
match (parent_span, memory) {
(Some(parent_span), Some(stats)) => println!(
"[{}]{}::{} ({}) event: {}",
print_thread(&threads, thread_id),
print_backtrace(&spans, &calls, parent_span),
print_span(&calls, parent_span),
print_memory(stats),
print_call(&calls, call_id)
),
(Some(parent_span), None) => println!(
"[{}]{}::{} event: {}",
print_thread(&threads, thread_id),
print_backtrace(&spans, &calls, parent_span),
print_span(&calls, parent_span),
print_call(&calls, call_id)
),
(None, None) => println!(
"[{}] event: {}",
print_thread(&threads, thread_id),
print_call(&calls, call_id)
),
(None, Some(stats)) => println!(
"[{}] ({}) event: {}",
print_thread(&threads, thread_id),
print_memory(stats),
print_call(&calls, call_id)
),
}
}
}
}
Ok(())
@ -121,7 +157,11 @@ fn print_backtrace(
}
fn print_span(calls: &HashMap<ResourceId, NewCallsite>, span: &NewSpan) -> String {
let callsite = calls.get(&span.call_id).unwrap();
print_call(calls, span.call_id)
}
fn print_call(calls: &HashMap<ResourceId, NewCallsite>, call_id: ResourceId) -> String {
let callsite = calls.get(&call_id).unwrap();
match (callsite.file.clone(), callsite.line) {
(Some(file), None) => format!("{} ({})", callsite.name, file),
(Some(file), Some(line)) => format!("{} ({}:{})", callsite.name, file, line),